#include<iostream>
using namespace std;

void main(void)
{
	char name;

	while (true)
	{
		cout << "....input....";
		cin >> name;
	switch (name)
		{
		case 'A':
			cout << "add";
			break;
		case 'D':
			cout << "delte";
			break;
		case 'S':
			cout << "sort";
			break;
		case 'Q':
			exit(0);
			cout << "quit";
			break;
		default:
			break;
	}
	}
	
}